[Q51-Q73] Try HPE6-A85 Free Now! Real Exam Question Answers Updated [Jul 25, 2025] – IT Certification Exam Questions & Answers

Q51. Match the feature to the Aruba OS version (Matches may be used more than once.)

Q52. After having configured the edge switch uplink as requested your colleague says that they have failed to ping the core You ask your colleague to verify the connection is plugged in and the switch is powered on They confirm that both are correct You attempt to ping the core switch and confirm that the ping is failing.
Knowing the nature of this deployment, what commands might you use to troubleshoot this issued

Ping 10.11 1 – ping the core to attempt to verify connectivity Show trunk – to verify if the LAG interface was correctly added to the switch Show spanning tree – to check for spanning-tree blocked states Show port-access clients interface all – to view any port-access blocking states or failed authentication attempts on all interfaces Show run interface vlan20 – to double check the layer 3 svi configuration is correct for l_3 connectivity Show lldp neighors – to verify whether you are able to see the Core as an L2 neighbor to verify if the correct links are plugged in to the correct ports

diagnostic diag cable-diag 1/1/51 diag cable-diag 1/1/52 – to view diagnostic information for the physical link to get a status on any interruptions to Layer 1 connectivity, show ip route – to verify that the default gateway is present in the routing table show ip ospf – to check whether there is a layer 3 routing protocol enabled show ip dns – to view whether there is a valid dns source

Ping 10.1.1.1 – ping the core to attempt to verify connectivity show lacp agg – to verify which link aggregations are currently configured using which physical ports show lacp int – to verify the LACP status and whether any links are blocking in your topology show lldp neighors – to verify whether you are able to see the Core as an L2 neighbor to verify if the correct links are plugged in to the correct ports show run interface 1/1/51.1/1/52-to ensure the physical interfaces are no-shut and members of the lag show run interface lag 1 – to ensure the correct vlan trunking configuration is applied to the logical interface show run int vlan 20 – to ensure you have the L3 SVI no shut and configured in the correct subnet

Show run – to view the running configuration of the switch Show run | begin 20 “vlan 20” – to ensure VLAN 20 was correctly added to the database show run | begin 20 ‘interface vlan 20’ – to view the L3 SVI configuration Show run interface 1/1/51.1/1/52 – to ensure the physical interfaces are no shut and were added as members of LAG 1 Show run int lag 1 – to verify LACP mode active was configured to eliminate LACP blocking states

Q53. You are working with a pair of 6300M switches in a VSF stack. The switch has 48 SmartRate 5G ports, 2 SFP28 ports, and 2 SFP56 ports. Both SFP56 ports are used for stacking.
You need to provide an LACP connection to another identical stack with the maximum available bandwidth possible. What should you configure?

a 16-member LAG using 2 SFP28 ports and 6 SR5 ports on each switch

an eight-member LAG using 4 SR5 ports on each switch

an eight-member LAG using 2 SFP28 ports and 2 SR5 ports on each switch

a four-member LAG using 2 SFP28 ports on each switch

Q54. Which statement is correct when comparing 5 GHz and 6 GHz channels with identical channel widths?

5 GHz channels travel the same distances and provide different throughputs to clients compared to 6 GHz channels

5 GHz channels travel different distances and provide different throughputs to clients compared to 6 GHz channels

5 GHz channels travel the same distances and provide the same throughputs to clients compared to 6 GHz channels

5 GHz channels travel different distances and provide the same throughputs to clients compared to 6 GHz channels

Q55. Match the switching technology with the appropriate use case.

Explanation:
USE CASE: a) Controls the dynamic addition and removal of ports to groups Technology: 3) LACP USE CASE: b) Tags Ethernet frames with an additional VLAN header Technology: 1) 802.1Q USE CASE: c) Used to authenticate EAP-Capable client on a switch port Technology: 2) 802.1X USE CASE: d) Used to identify a voice VLAN to an IP phone Technology: 4) LLDP The following table summarizes the switching technologies and their use cases:
Technology
Use case
1) 802.1Q
802.1Q is a standard that defines how to create and manage virtual LANs (VLANs) on a network. VLANs allow network administrators to logically segment a network into different broadcast domains, improving security, performance, and manageability. 802.1Q tags Ethernet frames with an additional VLAN header that contains a VLAN identifier (VID), which indicates which VLAN the frame belongs to1.
2) 802.1X
802.1X is a standard that defines how to provide port-based network access control (PNAC) on a network.
PNAC allows network administrators to authenticate and authorize devices before granting them access to network resources. 802.1X uses the Extensible Authentication Protocol (EAP) to exchange authentication messages between a supplicant (a device that wants to access the network), an authenticator (a device that controls access to the network, such as a switch), and an authentication server (a device that verifies the credentials of the supplicant, such as a RADIUS server)2.
3) LACP
LACP stands for Link Aggregation Control Protocol, which is part of the IEEE 802.3ad standard that defines how to bundle multiple physical links into a single logical link, also known as a link aggregation group (LAG) or an EtherChannel. LAGs provide increased bandwidth, load balancing, and redundancy for network connections. LACP controls the dynamic addition and removal of ports to groups, ensuring that only ports with compatible configurations can form a LAG3.
4) LLDP
LLDP stands for Link Layer Discovery Protocol, which is part of the IEEE 802.1AB standard that defines how to discover and advertise information about neighboring devices on a network. LLDP operates at Layer 2 of the OSI model and uses TLVs (type-length-value) to exchange information such as device name, port number, VLAN ID, capabilities, and power requirements. LLDP can be used to identify a voice VLAN to an IP phone by sending a TLV that contains the voice VLAN ID and priority.
References: 1 https://en.wikipedia.org/wiki/IEEE_802.1Q 2 https://en.wikipedia.org/wiki/IEEE_802.1X 3
https://en.wikipedia.org/wiki/Link_aggregation https://en.wikipedia.org/wiki
/Link_Layer_Discovery_Protocol

Q56. What is the correct command to add a static route to a class-c-network 10.2.10.0 via a gateway of
172.16.1.1?

ip-route 10.2.10.0/24 172.16.1.1

ip route 10.2.10.0.255.255.255.0 172.16.1.1 description aruba

ip route 10.2.10.0/24.172.16.11

ip route-static 10.2 10.0.255.255.255.0 172.16.1.1

Q57. Refer to Exhibit.

Which server will receive the smallest quantity of data?

172.17.17.43

10.100.100.25

10.99.26.25

192.168.0.56

Q58. What are the main characteristics of the 6 GHz band?

Less RF signal is absorb by objects in a 6 GHz WLAN.

In North America, the 6 GHz band offers more 80 MHz channels than there are 40 MHz channels in the
5 GHz band.

The 6 GHz band is fully backward compatible with the existing bands.

Low Power Devices are allowed for indoor and outdoor usage.

Explanation
The main characteristic of the 6 GHz band that is true among the given options is that in North America, the 6 GHz band offers more 80 MHz channels than there are 40 MHz channels in the 5 GHz band. This characteristic provides more spectrum availability, less interference, and higher throughput for wireless devices that support Wi-Fi 6E Wi-Fi Enhanced (Wi-Fi 6E) is an extension of Wi-Fi 6 (802.11ax) standard that operates in the newly available unlicensed frequency spectrum around 6 GHz in addition to existing bands below it. Some facts about this characteristic are:
In North America, there are up to seven non-overlapping channels available in each of three channel widths (20 MHz, 40 MHz, and 80 MHz) in the entire unlicensed portion of the new spectrum (5925-7125 MHz). This means there are up to 21 non-overlapping channels available for Wi-Fi devices in total.
In comparison, in North America, there are only nine non-overlapping channels available in each of two channel widths (20 MHz and 40 MHz) in the entire unlicensed portion of the existing spectrum below it (2400-2483 MHz and 5150-5825 MHz). This means there are only up to nine non-overlapping channels available for Wi-Fi devices in total.
Therefore, in North America, there are more than twice as many non-overlapping channels available in each channel width in the new spectrum than in the existing spectrum below it.
Specifically, there are more than twice as many non-overlapping channels available at 80 MHz width (seven) than at 40 MHz width (three) in the existing spectrum below it.
The other options are not true because:
Less RF signal is absorbed by objects in a 6 GHz WLAN: This option is false because higher frequency signals tend to be more absorbed by objects than lower frequency signals due to higher attenuation Attenuation is a general term that refers to any reduction in signal strength during transmission over distance or through an object or medium . Therefore, RF signals in a 6 GHz WLAN would be more absorbed by objects than RF signals in a lower frequency WLAN.
The 6 GHz band is fully backward compatible with existing bands: This option is false because Wi-Fi devices need to support Wi-Fi 6E standard to operate in the new spectrum around 6 GHz . Existing Wi-Fi devices that do not support Wi-Fi 6Estandard cannot use this spectrum and can only operate in existing bands below it.
Low Power Devices are allowed for indoor and outdoor usage: This option is false because Low Power Indoor Devices (LPI) are only allowed for indoor usage under certain power limits and registration requirements . Outdoor usage of LPI devices is prohibited by regulatory authorities such as FCC Federal Communications Commission (FCC) is an independent agency of United States government that regulates communications by radio, television, wire, satellite, and cable across United States . However, outdoor usage of Very Low Power Devices (VLP) may be allowed under certain power limits and without registration requirements.
References: https://www.wi-fi.org/discover-wi-fi/wi-fi-certified-6e
https://www.wi-fi.org/file/wi-fi-alliance-spectrum-needs-study
https://www.cisco.com/c/en/us/products/collateral/wireless/spectrum-expert-wi-fi/prod_white_paper0900aecd80
https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/82068-power-levels.html
https://www.wi-fi.org/file/wi-fi-alliance-unlicensed-spectrum-in-the-us

Q59. A network technician has successfully connected to the employee SSID via 802 1X Which RADIUS message should you look for to ensure a successful connection?

Authorized

Access-Accept

Success

Authenticated

Q60. Match the most cost-effective option for cabling each requirement. (All lengths indicate total cable length including patch cable(s), service loops, etc. where used.)

Q61. Please match the use case to the appropriate authentication technology

Q62. What is the function of a Virtual Switching Framework (VSF) in Aruba networking equipment?

It is used to virtualize physical switches into one logical switch.

It allows for the stacking of switches to provide redundancy.

It enables the creation of a virtual network on the physical switch.

It configures virtual LANs across multiple switches.

Q63. List the WPA 4-Way Handshake functions in the correct order.

Q64. When using an Aruba standalone AP you select “Native VLAN” for the Client VLAN Assignment In which subnet will the client IPs reside?

The same subnet as the mobility controller

The same subnet as the Aruba ESP gateway

The same subnet as the mobility conductor

The same subnet as the access point

Q65. Which flew in a Layer 3 IPv4 packet header is used to mitigate Layer 3 route loops?

Checksum

Time To Live

Protocol

Destination IP

The field in a Layer 3 IPv4 packet header that is used to mitigate Layer 3 route loops is Time To Live (TTL).
TTL is an 8-bit field that indicates the maximum number of hops that a packet can traverse before being discarded. TTL is set by the source device and decremented by one by each router that forwards the packet. If TTL reaches zero, the packet is dropped and an ICMP Internet Control Message Protocol (ICMP) Internet Control Message Protocol (ICMP) is a network protocol that provides error reporting and diagnostic functions for IP networks. ICMP is used to send messages such as echo requests and replies (ping), destination unreachable, time exceeded, parameter problem, source quench, redirect, etc. ICMP messages are encapsulated in IP datagrams and have a specific format that contains fields such as type, code, checksum, identifier, sequence number, data, etc. ICMP messages can be verified by using commands such as ping , traceroute , debug ip icmp , etc . message is sent back to the source device. TTL is used to mitigate Layer 3 route loops because it prevents packets from circulating indefinitely in a looped network topology. TTL also helps to conserve network resources and avoid congestion caused by looped packets.
The other options are not fields in a Layer 3 IPv4 packet header because:
* Checksum: Checksum is a 16-bit field that is used to verify the integrity of the IP header. Checksum is calculated by the source device and verified by the destination device based on the values of all fields in the IP header. Checksum does not mitigate Layer 3 route loops because it does not limit the number of hops that a packet can traverse.
* Protocol: Protocol is an 8-bit field that indicates the type of payload carried by the IP datagram.
Protocol identifies the upper-layer protocol that uses IP for datatransmission, such as TCP Transmission Control Protocol (TCP) Transmission Control Protocol (TCP) is a connection-oriented transport layer protocol that provides reliable, ordered, and error-checked delivery of data between applications on different devices . TCP uses a three-way handshake to establish a connection between two endpoints , and uses sequence numbers , acknowledgments , and windowing to ensure data delivery and flow control . TCP also uses mechanisms such as retransmission , congestion avoidance , and fast recovery to handle packet loss and congestion . TCP segments data into smaller units called segments , which are encapsulated in IP datagrams and have a specific format that contains fields such as source port , destination port , sequence number , acknowledgment number , header length , flags , window size , checksum , urgent pointer , options , data , etc . TCP segments can be verified by using commands such as telnet , ftp , ssh , debug ip tcp transactions , etc . , UDP User Datagram Protocol (UDP) User Datagram Protocol (UDP) is a connectionless transport layer protocol that provides

Q66. Which Aruba technology will allow for device-specific passphrases to securely add headless devices to the WLAN?

Wired Equivalent Privacy (WEP)

Multiple Pre-Shared Key (MPSK)

Opportunistic Wireless Encryption (OWE)

Temporal Key Integrity Protocol (TKIP)

Q67. You are configuring a network with a stacked pair of 6300M switches used for distribution and layer 3 services. You create a new VLAN for users that will be used on multiple access stacks of CX6200 switches connected downstream of the distribution stack You will be creating multiple VLANs/subnets similar to this will be utilized in multiple access stacks What is the correct way to configure the routable interface for the subnet to be associated with this VLAN?

Create a physically routed interface in the subnet on the 6300M stack for each downstream switch.

Create an SVl in the subnet on each downstream switch

Create an SVl in the subnet on the 6300M stack, and assign the management address of each downstream switch stack to a different IP address in the same subnet

Create an SVl in the subnet on the 6300M stack.

The correct way to configure the routable interface for the subnet to be associated with this VLAN is to create an SVI Switched Virtual Interface (SVI) Switched Virtual Interface (SVI) is a virtual interface on a switch that represents a VLAN and provides Layer 3 routing functions for that VLAN . SVIs are used to enable inter-VLAN routing , provide gateway addresses for hosts in VLANs , apply ACLs or QoS policies to VLANs , etc . SVIs have some advantages over physical routed interfaces such as saving interface ports , reducing cable costs , simplifying network design , etc . SVIs are usually numbered according to their VLAN IDs (e.g., vlan 10) and assigned IP addresses within the subnet of their VLANs . SVIs can be created and configured by using commands such as interface vlan , ip address , no shutdown , etc . SVIs can be verified by using commands such as show ip interface brief , show vlan , show ip route , etc . in the subnet on the 6300M stack. An SVI is a virtual interface on a switch that represents a VLAN and provides Layer 3 routing functions for that VLAN. Creating an SVI in the subnet on the 6300M stack allows the switch to act as a gateway for the users in that VLAN and enable inter-VLAN routing between different subnets. Creating an SVI in the subnet on the 6300M stack also simplifies network design and management by reducing the number of physical interfaces and cables required for routing.
The other options are not correct ways to configure the routable interface for the subnet to be associated with this VLAN because:
Create a physically routed interface in the subnet on the 6300M stack for each downstream switch: This option is incorrect because creating a physically routed interface in the subnet on the 6300M stack for each downstream switch would require using one physical port and cable per downstream switch, which would consume interface resources and increase cable costs. Creating a physically routed interface in the subnet on the 6300M stack for each downstream switch would also complicate network design and management by requiring separate routing configurations and policies for each interface.
Create an SVl in the subnet on each downstream switch: This option is incorrect because creating an SVI in the subnet on each downstream switch would not enable inter-VLAN routing between different subnets, as each downstream switch would act as a gateway for its own VLAN only. Creating an SVI in the subnet on each downstream switch would also create duplicate IP addresses in the same subnet, which would cause IP conflicts and routing errors.
Create an SVl in the subnet on the 6300M stack, and assign the management address of each downstream switch stack to a different IP address in the same subnet: This option is incorrect because creating an SVI in the subnet on the 6300M stack, and assigning the management address of each downstream switch stack to a different IP address in the same subnet would not enable inter-VLAN routing between different subnets, as each downstream switch would still act as a gateway for its own VLAN only. Creating an SVI in the subnet on the 6300M stack, and assigning the management address of each downstream switch stack to a different IP address in the same subnet would also create unnecessary IP addresses in the same subnet, which would waste IP space and complicate network management.

Q68. After having configured the edge switch uplink as requested your colleague says that they have failed to ping the core You ask your colleague to verify the connection is plugged in and the switch is powered on They confirm that both are correct You attempt to ping the core switch and confirm that the ping is failing.
Knowing the nature of this deployment, what commands might you use to troubleshoot this issued

Ping 10.11 1 – ping the core to attempt to verify connectivity Show trunk – to verify if the LAG interface was correctly added to the switch Show spanning tree – to check for spanning-tree blocked states Show port-access clients interface all – to view any port-access blocking states or failed authentication attempts on all interfaces Show run interface vlan20 – to double check the layer 3 svi configuration is correct for l_3 connectivity Show lldp neighors – to verify whether you are able to see the Core as an L2 neighbor to verify if the correct links are plugged in to the correct ports

diagnostic diag cable-diag 1/1/51 diag cable-diag 1/1/52 – to view diagnostic information for the physical link to get a status on any interruptions to Layer 1 connectivity, show ip route – to verify that the default gateway is present in the routing table show ip ospf – to check whether there is a layer 3 routing protocol enabled show ip dns – to view whether there is a valid dns source

Ping 10.1.1.1 – ping the core to attempt to verify connectivity show lacp agg – to verify which link aggregations are currently configured using which physical ports show lacp int – to verify the LACP status and whether any links are blocking in your topology show lldp neighors – to verify whether you are able to see the Core as an L2 neighbor to verify if the correct links are plugged in to the correct ports show run interface 1/1/51.1/1/52-to ensure the physical interfaces are no-shut and members of the lag show run interface lag 1 – to ensure the correct vlan trunking configuration is applied to the logical interface show run int vlan 20 – to ensure you have the L3 SVI no shut and configured in the correct subnet

Show run – to view the running configuration of the switch Show run | begin 20 “vlan 20” – to ensure VLAN 20 was correctly added to the database show run | begin 20 ‘interface vlan 20’ – to view the L3 SVI configuration Show run interface 1/1/51.1/1/52 – to ensure the physical interfaces are no shut and were added as members of LAG 1 Show run int lag 1 – to verify LACP mode active was configured to eliminate LACP blocking states

Q69. List the WPA 4-Way Handshake functions in the correct order.

Q70. You are working with a pair of 6300M switches in a VSF stack. The switch has 48 SmartRate 5G ports, 2 SFP28 ports, and 2 SFP56 ports. Both SFP56 ports are used for stacking.
You need to provide an LACP connection to another identical stack with the maximum available bandwidth possible.
What should you configure?

a 16-member LAG using 2 SFP28 ports and 6 SR5 ports on each switch

an eight-member LAG using 4 SR5 ports on each switch

an eight-member LAG using 2 SFP28 ports and 2 SR5 ports on each switch

a four-member LAG using 2 SFP28 ports on each switch

Q71. Describe the purpose of the administrative distance

Routes teamed via external BGP have a higher administrative distance than routes learned via OSPF

The administrative distance is used as a trust rating tor route entries

The administrative distance for a static route is 10

The higher administrative distance is preferred

Q72. Which feature can network administrators use to centralized RF planning and optimization service when using an Aruba mobility master architecture?

Airwave

Client Match

AirMatch

Client Wave

Q73. Which statement is correct when comparing 5 GHz and 6 GHz channels with identical channel widths?

5 GHz channels travel the same distances and provide different throughputs to clients compared to 6 GHz channels

5 GHz channels travel different distances and provide different throughputs to clients compared to 6 GHz channels

5 GHz channels travel the same distances and provide the same throughputs to clients compared to 6 GHz channels

5 GHz channels travel different distances and provide the same throughputs to clients compared to 6 GHz channels